Drum tensioner



FIG. 1 is a perspective view of a drum tensioner showing my new design;

FIG. 2 is an alternative perspective view therof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view, thereof.

FIG. 7 is a side view of the drum tensioner; and,

FIG. 8 is the opposing side view thereof.

CLAIM The ornamental design for a drum tensioner, as shown anddescribed.